diff --git a/Dockerfile b/Dockerfile
index 2d407e0..de3a74f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,7 +25,8 @@ ENV https_proxy=${HTTPS_PROXY}
 ENV HTTP_PROXY=${HTTP_PROXY}
 ENV HTTPS_PROXY=${HTTPS_PROXY}
 
-RUN apt-get update && apt-get install -y --no-install-recommends \
+RUN apt-get -o Acquire::Retries=5 -o Acquire::http::Timeout=30 update \
+    && apt-get -o Acquire::Retries=5 install -y --no-install-recommends \
     python3 python3-pip python3-venv git ca-certificates \
     && rm -rf /var/lib/apt/lists/*
 
@@ -41,7 +42,8 @@ RUN git clone --depth 1 https://github.com/searxng/searxng.git /src/searxng \
 # 供 /extension/install.html 下载（Chromium 用 zip，Firefox 用 xpi）
 FROM debian:bookworm-slim AS extpack
 
-RUN apt-get update && apt-get install -y --no-install-recommends zip ca-certificates \
+RUN apt-get -o Acquire::Retries=5 -o Acquire::http::Timeout=30 update \
+    && apt-get -o Acquire::Retries=5 install -y --no-install-recommends zip ca-certificates \
     && rm -rf /var/lib/apt/lists/*
 
 COPY extension/chrome /src/chrome
@@ -56,7 +58,8 @@ FROM debian:bookworm-slim
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-RUN apt-get update && apt-get install -y --no-install-recommends \
+RUN apt-get -o Acquire::Retries=5 -o Acquire::http::Timeout=30 update \
+    && apt-get -o Acquire::Retries=5 install -y --no-install-recommends \
     nginx python3 supervisor curl ca-certificates git \
     && rm -rf /var/lib/apt/lists/*